Home / 139,828,497.32-209,751,153.31-42,785,045.67

Finding the Fourth Proportional to 139,828,497.32, 209,751,153.31 and 42,785,045.67

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Solution

The fourth proportional to 139,828,497.32, 209,751,153.31 and 42,785,045.67 is: 64,180,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,828,497.32 : 209,751,153.31 = 42,785,045.67 : x
  2. Step 2: Convert to fraction form
    139,828,497.32/209,751,153.31 = 42,785,045.67/x
  3. Step 3: Cross multiply
    139,828,497.32x = 209,751,153.31 × 42,785,045.67
  4. Step 4: Simplify right side
    139,828,497.32x = 8,974,212,673,703,522
  5. Step 5: Solve for x
    x = 8,974,212,673,703,522/139,828,497.32
  6. Step 6: Final answer
    x = 64,180,141.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.